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Self-compiler: object literals.

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This commit is contained in:
Jeremy Ashkenas
2010-02-09 20:53:25 -05:00
parent 91a7102f11
commit 001c915c21
7 changed files with 403 additions and 175 deletions
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62
lib/coffee_script/parser.js
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@@ -45,11 +45,19 @@
return new Expressions();
})
],
// All hard-coded values. These can be printed straight to JavaScript.
Literal: [o("NUMBER", function() {
Identifier: [o("IDENTIFIER", function() {
return new LiteralNode(yytext);
})
],
AlphaNumeric: [o("NUMBER", function() {
return new LiteralNode(yytext);
}), o("STRING", function() {
return new LiteralNode(yytext);
})
],
// All hard-coded values. These can be printed straight to JavaScript.
Literal: [o("AlphaNumeric", function() {
return $1;
}), o("JS", function() {
return new LiteralNode(yytext);
}), o("REGEX", function() {
@@ -80,12 +88,10 @@
})
],
// Assignment within an object literal (can be quoted).
AssignObj: [o("IDENTIFIER ASSIGN Expression", function() {
return new AssignNode(new ValueNode(new LiteralNode(yytext)), $3, 'object');
}), o("STRING ASSIGN Expression", function() {
return new AssignNode(new ValueNode(new LiteralNode(yytext)), $3, 'object');
}), o("NUMBER ASSIGN Expression", function() {
return new AssignNode(new ValueNode(new LiteralNode(yytext)), $3, 'object');
AssignObj: [o("Identifier ASSIGN Expression", function() {
return new AssignNode(new ValueNode($1), $3, 'object');
}), o("AlphaNumeric ASSIGN Expression", function() {
return new AssignNode(new ValueNode($1), $3, 'object');
}), o("Comment")
],
// A return statement.
@@ -200,8 +206,8 @@
})
],
// Expressions that can be treated as values.
Value: [o("IDENTIFIER", function() {
return new ValueNode(new LiteralNode(yytext));
Value: [o("Identifier", function() {
return new ValueNode($1);
}), o("Literal", function() {
return new ValueNode($1);
}), o("Array", function() {
@@ -221,12 +227,12 @@
})
],
// Accessing into an object or array, through dot or index notation.
Accessor: [o("PROPERTY_ACCESS IDENTIFIER", function() {
return new AccessorNode(new LiteralNode(yytext));
}), o("PROTOTYPE_ACCESS IDENTIFIER", function() {
return new AccessorNode(new LiteralNode(yytext), 'prototype');
}), o("SOAK_ACCESS IDENTIFIER", function() {
return new AccessorNode(new LiteralNode(yytext), 'soak');
Accessor: [o("PROPERTY_ACCESS Identifier", function() {
return new AccessorNode($2);
}), o("PROTOTYPE_ACCESS Identifier", function() {
return new AccessorNode($2, 'prototype');
}), o("SOAK_ACCESS Identifier", function() {
return new AccessorNode($2, 'soak');
}), o("Index"), o("Slice", function() {
return new SliceNode($1);
})
@@ -247,11 +253,11 @@
}), o("AssignObj", function() {
return [$1];
}), o("AssignList , AssignObj", function() {
return $1.push($3);
return $1.concat([$3]);
}), o("AssignList TERMINATOR AssignObj", function() {
return $1.push($3);
return $1.concat([$3]);
}), o("AssignList , TERMINATOR AssignObj", function() {
return $1.push($4);
return $1.concat([$4]);
}), o("INDENT AssignList OUTDENT", function() {
return $2;
})
@@ -290,8 +296,8 @@
// This references, either naked or to a property.
This: [o("@", function() {
return new ThisNode();
}), o("@ IDENTIFIER", function() {
return new ThisNode(yytext);
}), o("@ Identifier", function() {
return new ThisNode($2);
})
],
// The range literal.
@@ -321,13 +327,13 @@
}), o("INDENT Expression", function() {
return [$2];
}), o("ArgList , Expression", function() {
return $1.push($3);
return $1.concat([$3]);
}), o("ArgList TERMINATOR Expression", function() {
return $1.push($3);
return $1.concat([$3]);
}), o("ArgList , TERMINATOR Expression", function() {
return $1.push($4);
return $1.concat([$4]);
}), o("ArgList , INDENT Expression", function() {
return $1.push($4);
return $1.concat([$4]);
}), o("ArgList OUTDENT", function() {
return $1;
})
@@ -351,7 +357,7 @@
})
],
// A catch clause.
Catch: [o("CATCH IDENTIFIER Block", function() {
Catch: [o("CATCH Identifier Block", function() {
return [$2, $3];
})
],
@@ -383,9 +389,9 @@
})
],
// An array comprehension has variables for the current element and index.
ForVariables: [o("IDENTIFIER", function() {
ForVariables: [o("Identifier", function() {
return [$1];
}), o("IDENTIFIER , IDENTIFIER", function() {
}), o("Identifier , Identifier", function() {
return [$1, $3];
})
],